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FastX is a modern solution for displaying remote linux apps Linux applications (X Clients) on your desktop or laptop.  FastX gives you the option of using any standard web browser to connect to your remote Linux sessions.   Additional information can be found here: https://www.starnet.com/fastx/ .

You can connect from offsite (non-SLAC network). 

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  1. Go to this URL:
  2. Click on the link that says:       
                     Looking for the desktop client?

  3. After you download and start the desktop client, click the + (plus) icon to configure a new session.

  4. Select "Web" when given the choices of Web or SSH.

    A "Web" session is required for the clustering configuration to work, and also to restore a browser session you already started.  If you select SSH instead of Web, then you may not see all your available sessions – you may only see your sessions that are running on a single FastX server, and not all your sessions running on different servers in the FastX cluster.  Also, you may not be able to reconnect to a session you previously started in a browser connection to FastX.  And if you start a session using the desktop client in SSH mode, you may not be able to reconnect to it inside a browser connection later.

  5. Next to name, type something like:

    slac fastx web

    This can be any name you choose.

  6. Next to URL, type:

    https://fastx.slac.stanford.edu:3443

     

  7. Next to User, type your SLAC Unix username.

  8. You can leave the "Ignore SSL errors" box unchecked.

  9. Click the Save button.

  10. Double click on your new saved session.

  11. You will be prompted for your SLAC Unix password even if you have a Kerberos ticket on your desktop/laptop because this is using https authentication and not ssh.

  12. You can start a new session using the same instructions the the above session for "Connecting to FastX" – click the + (plus) icon.

  13. When you start a new session using the desktop client, you have a choice for Window mode: Multiple or Single.
    Multiple window mode means that your remote Linux application will appear as a seamless application on your desktop, and any additional X clients you start from the same session will also appear as seamless applications on your desktop.   This works well if you only use the desktop client and do not plan to use the Browser client to access this session in the future.  If you want the option to connect to your session using the Browser, then you should choose Single Window mode.  With Single Window mode, all of your Linux applications will be run within one larger window (not as individually seamless floating windows like multiple mode).  The one larger window for Single Window mode can be run in full screen mode for maximum resolution.  Whenever you resize your window, you should then tell FastX to resize your screen so you get the maximum resolution.  Hover your mouse over middle of the top of the single window.  You will see several icons – one of them is to tell FastX to resize your window.

  14. You can reconnect to one of your already running sessions by double clicking on it under the Name column.   It may take many seconds for your saved session to appear.

  15. You should also see any sessions you already have running that you may have started in a browser connection to FastX.

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